QQuestionChemistry
QuestionChemistry
"Select the true statements about dopamine.
Dopamine cannot cross the blood-brain barrier.
L-dopa is converted to dopamine once inside the brain.
Administration of dopamine can treat the symptoms of Parkinson's disea
Dopamine deficiency causes Parkinson's disease.
Dopamine is an ester."
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Answer
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Step 1I'll solve this problem step by step, analyzing each statement about dopamine:
Step 2: Dopamine and the Blood-Brain Barrier
- Dopamine CANNOT cross the blood-brain barrier (BBB) - This statement is TRUE - Explanation: Dopamine is a large, charged molecule that cannot easily pass through the selective membrane of the BBB
Final Answer
1. Dopamine cannot cross the blood-brain barrier 2. L-dopa is converted to dopamine once inside the brain 3. Dopamine deficiency causes Parkinson's disease
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